Hello , My new blogpost is about Process Management and I have gone all concepts of Process Management. I have written this document with help of .Doc and it consists of images. So its hard to maintain the format in blogger too. I am placing the download link , Please use that link to download. I hope it helps you. To Download my post Please click here

Actually sending mail from a CentOS server/Desktop install is pretty easy. You can do that in many ways but I like this way because it is simpler. Before sending the mail, the content of your mail if you store at some place would be better. assume like I have stored my message /tmp/body file.Then I will sent my message as

Running Multiple Instances of MySQL in CentOS/Fedora/RedHat Linux

1. Make sure that you have installed mysql-server in your Linux , If not install it with

yum install –y mysql-server

2. After installing MySQL-Server , Open your terminal and paste as

mkdir /var/lib/mysql2

chown -R mysql.mysql /var/lib/mysql2

mkdir /var/log/mysql2

chown -R mysql.mysql /var/log/mysql2

Above code stands for creating two directories for MySQL 2nd instance , There /var/lib/mysql2for data directory and /var/log/mysql2 is for log directory. After that changing the owner as mysql for both.

3. Make a dump of mycnf configuration file with

cp -R /etc/my.cnf /etc/my2.cnf

Then Open it with

nano /etc/my2.cnf (or ) vim /etc/my2.cnf

Make the changes as mentioned in the below file.

# change/add the following options

port = 3307#different port

datadir = /var/lib/mysql2 #diff data dir

socket =/var/lib/mysql2/mysql2.sock# diff socket path

# add [mysql_safe]

log-error = /var/log/mysql2/mysql.log # diff log

pid-file = /var/lib/mysql2/mysql2.pid#diff PI

Then save & close it.

4. Now in the terminal paste these lines after one , with success of each command